Automatic Workflow & Credentials Backup to GitHub with Change Detection

This n8n workflow template uses community nodes and is only compatible with the self-hosted version of n8n. Title: n8n Credentials and Workflows Backup on Change Detection Purpose: Never lose track of your n8n changes again! This workflow smartly backs up all your workflows and credentials, automatically detects any changes using hash comparison, and pushes updates to GitHub—but only when something has actually changed. Set your own interval and stop cluttering your repo with redundant commits. Walkthrough Video on YouTube Trigger: Schedule Trigger: Executes the entire process at a user-defined interval. No need to worry about traceability or managing countless backups, as the workflow only

Help me set up the n8n workflow "Automatic Workflow & Credentials Backup to GitHub with Change Detection" (https://n8n.io/workflows/4609). It uses: GitHub, Crypto. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.